OR gate activities in Digital Electronics

Logic gate OR is an electrical circuit that combines two electrical signals so that the output is ON (1) if any one signal is present.

There are three symbols for OR gates: the American (ANSI or 'military') symbol and the IEC ('European' or 'rectangular') symbol, as well as the deprecated DIN symbol.

ANSI

IEC

DIN

AND Gate activities in Digital Electronics

 

Logic gate AND is an electrical circuit that combines two electrical signals so that the output is ON if both signals are present.

There are three symbols for AND gates: the American (ANSI or 'military') symbol and the IEC ('European' or 'rectangular') symbol, as well as the deprecated DIN symbol.

DIN

IEC

ANSI